drm/amdgpu:halt when vm fault

only with this way we can debug the VMC page fault issue

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 6c8040e616c4ed69f4f1addbf8282f2aea3ec81b..c17996e18086fafe3e9e690a52c2047cc43d75c1 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -319,6 +319,12 @@ void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
                        WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
        tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
                        EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+       if (!value) {
+               tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+                               CRASH_ON_NO_RETRY_FAULT, 1);
+               tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+                               CRASH_ON_RETRY_FAULT, 1);
+    }
        WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
 }
 

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 7ff70762cfc82ae1715110c87a61e7a95c1301a9..cc21c4bdec275e5855e5e363e60a139d51bba4b6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -561,6 +561,13 @@ void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
                        WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
        tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
                        EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+       if (!value) {
+               tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+                               CRASH_ON_NO_RETRY_FAULT, 1);
+               tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+                               CRASH_ON_RETRY_FAULT, 1);
+    }
+
        WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
 }